:root {
    --primary: #0094ff;
    --black: #111111;
    --dark: #1C1C1C;
    --mid: #2B2B2B;
    --light: #F5F5F5;
    --white: #ffffff;
    --shadow: 0 16px 40px rgba(17,17,17,.08);
    --radius: 20px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--black); background: #fafafa; line-height: 1.65; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
header, .site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); border-bottom: 1px solid rgba(0,0,0,.06); backdrop-filter: blur(10px); }
.header-inner { max-width: 1180px; margin: 0 auto; padding: 12px 18px; display: grid; grid-template-columns: 44px 1fr; align-items: center; gap: 12px; }
.logo { justify-self: center; display: inline-flex; align-items: center; }
.logo img { height: 44px; width: auto; object-fit: contain; }
.main-nav, .header-actions { display: none; }
.mobile-menu-toggle { width: 42px; height: 42px; border: 1px solid rgba(0,0,0,.12); border-radius: 14px; background: var(--white); color: var(--black); font-size: 24px; line-height: 1; cursor: pointer; }
.mobile-nav { display: none; padding: 12px 18px 16px; background: var(--white); border-top: 1px solid rgba(0,0,0,.06); box-shadow: 0 16px 24px rgba(0,0,0,.08); position: relative; z-index: 120; }
.mobile-nav.is-open { display: grid; gap: 10px; }
.mobile-nav a { padding: 12px 14px; border-radius: 14px; background: var(--light); font-weight: 700; }
.mobile-actions { max-width: 420px; margin: 0 auto; padding: 0 18px 14px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.container { width: min(1120px, calc(100% - 36px)); margin: 0 auto; }
section { padding: 46px 0; }
.hero, .banner { background: linear-gradient(135deg, rgba(0,148,255,.12), rgba(255,255,255,.98)); padding: 48px 0; overflow: hidden; }
.hero-grid { display: grid; gap: 30px; align-items: center; }
.hero h1 { font-size: clamp(32px, 9vw, 58px); line-height: 1.08; margin: 0 0 18px; letter-spacing: -.04em; }
.hero p { color: #424242; font-size: 17px; margin: 0 0 22px; }
.hero-image { background: var(--white); border-radius: 28px; padding: 18px; box-shadow: var(--shadow); }
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 0; }
.tag { background: rgba(0,148,255,.12); color: #065f9f; border: 1px solid rgba(0,148,255,.25); border-radius: 999px; padding: 9px 13px; font-size: 14px; font-weight: 700; }
.btn { display: inline-flex; justify-content: center; align-items: center; border: 0; border-radius: 999px; padding: 13px 22px; background: linear-gradient(135deg, var(--primary), #36b6ff); color: var(--white); font-weight: 800; box-shadow: 0 10px 22px rgba(0,148,255,.25); cursor: pointer; }
.btn-small { padding: 10px 17px; font-size: 14px; }
.btn-alt { background: linear-gradient(135deg, #2B2B2B, #111111); color: var(--white); box-shadow: 0 10px 22px rgba(0,0,0,.18); }
.section-title { max-width: 760px; margin-bottom: 24px; }
.section-title h2 { font-size: clamp(26px, 5vw, 38px); line-height: 1.15; margin: 0 0 10px; }
.section-title p { margin: 0; color: #555; }
.grid { display: grid; gap: 18px; }
.grid-2, .grid-3 { grid-template-columns: 1fr; }
.card { background: var(--white); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); border: 1px solid rgba(0,0,0,.05); }
.card h2, .card h3 { margin-top: 0; line-height: 1.25; }
.card p { color: #494949; }
.notice { border-left: 5px solid var(--primary); background: rgba(0,148,255,.1); border-radius: 18px; padding: 18px; color: #153348; }
.faq { display: grid; gap: 14px; }
.faq details { background: var(--white); border-radius: 18px; padding: 18px; box-shadow: var(--shadow); }
.faq summary { cursor: pointer; font-weight: 800; }
.list { padding-left: 20px; }
.list li { margin: 8px 0; }
.footer { background: linear-gradient(135deg, #0f1720, #102940); color: var(--white); padding: 42px 0; margin-top: 40px; }
.footer-grid { display: grid; gap: 24px; }
.footer p { color: rgba(255,255,255,.78); }
.footer a { display: block; color: rgba(255,255,255,.86); margin: 8px 0; }
.footer-logo img { height: 42px; width: auto; margin-bottom: 12px; }
.cta-box { text-align: center; background: var(--dark); color: var(--white); border-radius: 28px; padding: 30px; box-shadow: var(--shadow); }
.cta-box p { color: rgba(255,255,255,.78); }
.breadcrumbs { font-size: 14px; margin-bottom: 14px; color: #666; }
@media (min-width: 768px) {
    .header-inner { grid-template-columns: auto 1fr auto; padding: 14px 24px; }
    .logo { justify-self: start; }
    .logo img { height: 52px; }
    .mobile-menu-toggle, .mobile-actions, .mobile-nav { display: none !important; }
    .main-nav { display: flex; justify-content: center; gap: 8px; }
    .main-nav a { padding: 10px 13px; border-radius: 999px; color: #202020; font-weight: 700; }
    .main-nav a:hover { background: var(--light); }
    .header-actions { display: flex; gap: 10px; justify-content: flex-end; }
    .hero-grid { grid-template-columns: 1.05fr .95fr; }
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1.4fr .8fr 1.2fr; }
}
@media (min-width: 1024px) {
    .header-inner { max-width: 1240px; padding: 16px 32px; gap: 28px; }
    .main-nav { gap: 16px; }
    section { padding: 64px 0; }
    .hero, .banner { padding: 76px 0; }
    .card { padding: 28px; }
}